Financial advisors often reinforce these mistaken ideas by comparing portfolio performance to an index such as the S&P 500 Index composed of the stocks of the largest companies in America.
Your opponent in this battle is not Bob. Unfortunately, your enemies are far more worthy. The three enemies of every retirement investor are inflation, taxes, and investment expenses.
Consider two doctors, each saving $50,000 per year for 25 years in an investment earning 8% per year before expenses. The first pays 2% in investment expenses and the second pays 0.2%, or one-tenth as much.